【名词&注释】
存储系统(storage system)、激光打印机(laser printer)、循环系统(circulatory system)、磁场强度(magnetic field intensity)
[单选题]不适用人体MR成像的磁场强度(magnetic field intensity)为
A. 0.2T B. 1.5T C. 2.0T D. 3.0T E. 4.7T